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← ScienceWhich outcome will occur during hydraulic fracturing when proppant concentration drops below a threshold number?
A)Induced seismicity event amplitude increases
B)Fracture conductivity significantly decreases✓
C)Cement bond log readings improve vastly
D)Wellbore pressure transient distortions lessen
💡 Explanation
Reduced proppant concentration causes fracture closure due to effective stress. The mechanism driving this is compaction, because stress overwhelms limited proppant support, therefore conductivity declines, rather than induced seismicity changing or wellbore behavior improving since those related to injection rate or formation properties.
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